Some say the reason most manhole covers are round is that a circle cannot fall through a smaller circular hole. Which of ...

You have an exceptionally fast brain with an IQ of 140+ if you can solve this math puzzle in just 7 seconds. Put your brain ...

Only those with the brains of a calculator can solve the 8th standard math puzzle in 7 seconds. Are you one of them? Go ahead ...

Acing geometry class in golden dreams and a future kalpa. The post Math Puzzle for November 14, 2025 appeared first on ...

Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His ...

But now Google’s DeepMind team has built AlphaProof, an AI system that matched silver medalists’ performance at the 2024 ...

The encrypted puzzle has stumped cryptanalysts for decades, and on the eve of an auction revealing the long sought-after ...

This brain teaser is designed to gauge your logical and analytical thinking abilities, but it also tests your ability to ...

Rocky Point High School math teacher Jay Rand likes to challenge his students with a classic head-scratcher on the first day ...

Believe it or not, highway numbers actually make sense. Here's the logic behind odd and even routes, and why the system isn't ...

Some even believe that regular mental exercises can help delay the symptoms of dementia. Puzzles come in various forms, and ...